28404720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{39451}}^1$

素因数の和:39470

約数の個数: 60

約数和(自身を含む): 95394936

約数和(自身を除く): 66990216

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 39451, 78902, 118353, 157804, 197255, 236706, 315608, 355059, 394510, 473412, 591765, 631216, 710118, 789020, 946824, 1183530, 1420236, 1578040, 1775295, 1893648, 2367060, 2840472, 3156080, 3550590, 4734120, 5680944, 7101180, 9468240, 14202360, 28404720]

約数ペア:

[(1, 28404720), (2, 14202360), (3, 9468240), (4, 7101180), (5, 5680944), (6, 4734120), (8, 3550590), (9, 3156080), (10, 2840472), (12, 2367060), (15, 1893648), (16, 1775295), (18, 1578040), (20, 1420236), (24, 1183530), (30, 946824), (36, 789020), (40, 710118), (45, 631216), (48, 591765), (60, 473412), (72, 394510), (80, 355059), (90, 315608), (120, 236706), (144, 197255), (180, 157804), (240, 118353), (360, 78902), (720, 39451)]